How severe is CVE-2007-1841?

CVE-2007-1841 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-1841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1841?

CVE-2007-1841 affects Ipsec-tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1841?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-1841 published?

CVE-2007-1841 was published on 2007-04-10 and last updated on 2026-06-16.

CVE-2007-1841

CVE-2007-1841 is a medium-severity vulnerability in Ipsec-tools with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ipsec-tools
Published: 2007-04-10
Last modified: 2026-06-16

Description

The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.

Frequently asked questions

What is CVE-2007-1841?: The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.
How severe is CVE-2007-1841?: CVE-2007-1841 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-1841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1841?: CVE-2007-1841 affects Ipsec-tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-1841 published?: CVE-2007-1841 was published on 2007-04-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ipsec-tools:ipsec-tools:*:*:*:*:*:*:*:*

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